*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body{
    font:bold 20px 'Courier'
}
@bg_color:#b7d845;

#main{
    width:360px;
    height: 420px;
    background-color:@bg_color;
    border: 10px solid #000;
    border-radius: 20px;
    margin: 100px auto;
    display: flex;
    flex-flow: column;
    align-items: center;
    justify-content: space-around;
    #stage{
        width:304px;
        height:304px;
        border: 2px solid #000;
        position: relative;
        #snake {
            &>div{
                width:10px; 
                height:10px;
                background-color:#000;
                border: 1px solid @bg_color;
                position: absolute;
            }
        }
        #food{
            width:10px; 
            height:10px;
            position: absolute;
            left: 40px;
            top: 100px;
            display:flex;
            flex-flow: row wrap;
            justify-content: space-between;
            align-content: space-between;
            &>div{
                width:4px;
                height:4px;
                background-color:#000;
                transform:rotate(45deg)
            }
        }
    }
    .score-panel{
        width:300px;
        display: flex;
        justify-content: space-between
    }
}